Amazon.com: KabelDirekt – 20ft Long – RCA/Phono subwoofer Lead Cable, 1 to 1 RCA/Phono, Audio/Digital/Video (Coax Cable, RCA/Phono Male/Male Plugs, for amps/Hi-Fis, Audio Signals/Composite Video, 75 ohm, Black) : Electronics
Monster® Digital Coaxial RCA Composite Audio Cable for Subwoofers 6ft,Black - Walmart.com
Amazon.com: BlueRigger RCA Audio Subwoofer Cable (8FT, Dual Shielded, Gold Plated RCA to RCA Connectors) – for Subwoofer, Amplifier, Home Theater : Electronics
Ataudio Siver-plated Hifi Rca To 2rca Subwoofer Audio Cable Hi-end One Sub-2 Splitter Y Rca Cable - Audio & Video Cables - AliExpress
Amazon.com: Ancable RCA to 3.5mm Mono, [ 2-Pack 3-Feet ] RCA Male to 3.5mm 1/8 inch TS Plug Audio Cable for Speakers, Subwoofer, Trigger Cable for Pre-Amp, Soundbar : Electronics